<template>
    <div class="login_container">
        <div class="login_box">
            <div class="avatar_box">
                <img src="~assets/logo.png" alt="">
            </div>
            <el-form ref="loginFormRef" class="login_form" :model="loginForm" :rules="loginFormRules">
                <el-form-item prop="username">
                    <el-input prefix-icon="el-icon-user-solid" v-model="loginForm.username"></el-input>
                </el-form-item>
                <el-form-item prop="password">
                    <el-input prefix-icon="el-icon-lock" v-model="loginForm.password" type="password"></el-input>
                </el-form-item>
                <el-form-item class="btns">
                    <el-button type="primary" @click="login">登录</el-button>
                    <el-button type="info" @click="resetLoginForm">重置</el-button>
                </el-form-item>
            </el-form>
        </div>
    </div>
</template>

<script>
export default {
    data(){
        return {
            loginForm: {
                username:"admin",
                password:"123456"
            },
            loginFormRules:{
                username:[
                    {required: true, message: '请输入登录名称', trigger: "blur"},
                    {min: 3, max: 10, message: '长度在3到10个字符', trigger: "blur"}
                ],
                password:[
                    {required: true, message: '请输入登录密码', trigger: "blur"},
                    {min: 6, max: 15, message: '长度在6到15个字符', trigger: "blur"}
                ]
            }
        }
    },
    methods: {
        resetLoginForm(){
            this.$refs.loginFormRef.resetFields()
        },
        login(){
            this.$refs.loginFormRef.validate(async valid => {
                if(!valid) return;
                const {data: res} = await this.$http.post('login', this.loginForm)
                if(res.meta.status !== 200) return this.$message.error('登录失败')
                this.$message.success('登录成功')
                window.sessionStorage.setItem('token', res.data.token)
                this.$router.push('/home')
            })
        }
    },
}
</script>

<style lang="less" scoped>
.login_container{
    background-color: #2b4b6b;
    height: 100%;
}
.login_box{
    width: 450px;
    height: 300px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    margin-top: -150px;
    margin-left: -225px;
}
.avatar_box{
    height: 130px;
    width: 130px;
    border-radius: 50%;
    border: 1px solid #eee;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    margin-left: -65px;
    margin-top: -65px;
    background-color: #fff;
    img{
        width: 100%;
        height: 100%;
        border-radius: 50%;
        background-color: #eee;
    }
}
.btns{
    display: flex;
    justify-content: flex-end;
}
.login_form{
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 30px;
    box-sizing: border-box;
}
</style>